<template>
  <!-- 内容 -->
  <div class="content-wrap" v-show="diyStore.editTab == 'content'">
    <div class="edit-attr-item-wrap">
      <h3 class="mb-[10px]">{{ t('imageSet') }}</h3>
      <el-form label-width="80px" class="px-[10px]">
        <el-form-item :label="t('sameScreen')" v-if="diyStore.currentIndex == 0">
          <el-switch v-model="diyStore.editComponent.isSameScreen" />
          <div class="text-sm text-gray-400 leading-[1.4]">{{ t('imageAdsSameScreenTips') }}</div>
        </el-form-item>

        <el-form-item :label="t('imageHeight')" class="display-block">
          <el-input
            v-model.trim="diyStore.editComponent.imageHeight"
            :placeholder="t('imageHeightPlaceholder')"
            clearable
            maxlength="10"
            @blur="blurImageHeight"
          >
            <template #append>px</template>
          </el-input>
          <div class="text-sm text-gray-400 mb-[10px]">{{ t('imageAdsTips') }}</div>
        </el-form-item>

        <div ref="imageBoxRef">
          <div
            v-for="(item, index) in diyStore.editComponent.list"
            :key="item.id"
            class="item-wrap p-[10px] pb-0 relative border border-dashed border-gray-300 mb-[16px]"
          >
            <el-form-item :label="t('image')">
              <upload-image v-model="item.imageUrl" :limit="1" @change="selectImg" />
            </el-form-item>

            <div
              class="del absolute cursor-pointer z-[2] top-[-8px] right-[-8px]"
              v-show="diyStore.editComponent.list.length > 1"
              @click="diyStore.editComponent.list.splice(index, 1)"
            >
              <icon name="element CircleCloseFilled" color="#bbb" size="20px" />
            </div>

            <el-form-item :label="t('link')">
              <diy-link v-model="item.link" />
            </el-form-item>
          </div>
        </div>

        <el-button
          v-show="diyStore.editComponent.list.length < 10"
          class="w-full"
          @click="addImageAd"
          >{{ t('addImageAd') }}</el-button
        >
      </el-form>
    </div>
  </div>

  <!-- 样式 -->
  <div class="style-wrap" v-show="diyStore.editTab == 'style'">
    <!-- 组件样式 -->
    <slot name="style"></slot>
  </div>
</template>

<script lang="ts" setup>
import { ref, watch, onMounted, nextTick } from 'vue'
import { t } from '@/lang'
import Sortable from 'sortablejs'
import { img } from '@/utils/common'
import { range } from 'lodash-es'
import useDiyStore from '@/stores/modules/diy'
import DiyLink from '@/views/app/components/diy-link/index.vue'
import UploadImage from '@/components/UploadFile/src/UploadImg.vue'
import icon from '@/views/app/components/icon/index.vue'

const diyStore = useDiyStore()
diyStore.editComponent.ignore = ['componentBgUrl'] // 忽略公共属性

// 组件验证
diyStore.editComponent.verify = (index: number) => {
  const res = { code: true, message: '' }
  if (diyStore.value[index].imageHeight == 0) {
    res.code = false
    res.message = t('imageHeightPlaceholder')
    return res
  }
  if (!/^\d+.?\d{0,2}$/.test(diyStore.value[index].imageHeight)) {
    res.code = false
    res.message = t('imageHeightRegNum')
    return res
  }
  diyStore.value[index].list.forEach((item: any) => {
    if (item.imageUrl === '') {
      res.code = false
      res.message = t('imageUrlTip')
      return res
    }
  })
  return res
}

diyStore.editComponent.list.forEach((item: any) => {
  if (!item.id) item.id = diyStore.generateRandom()
})

watch(
  () => diyStore.editComponent.list,
  (newValue, oldValue) => {
    // 设置图片宽高
    handleHeight()
  },
  { deep: true }
)

const addImageAd = () => {
  diyStore.editComponent.list.push({
    id: diyStore.generateRandom(),
    imageUrl: '',
    imgWidth: 0,
    imgHeight: 0,
    link: { name: '' }
  })
}

const selectImg = (url: string) => {
  handleHeight(true)
}

// 处理高度
const handleHeight = (isCalcHeight: boolean = false) => {
  diyStore.editComponent.list.forEach((item: any, index: number) => {
    const image = new Image()
    image.src = img(item.imageUrl)
    image.onload = async () => {
      item.imgWidth = image.width
      item.imgHeight = image.height
      // 计算第一张图片高度
      if (isCalcHeight && index == 0) {
        const ratio = item.imgHeight / item.imgWidth
        item.width = 375 - diyStore.editComponent.margin.both * 2
        item.height = item.width * ratio
        diyStore.editComponent.imageHeight = parseInt(item.height)
      }
    }
  })
}

const blurImageHeight = () => {
  diyStore.editComponent.imageHeight = diyStore.editComponent.imageHeight
    ? parseInt(diyStore.editComponent.imageHeight)
    : 0
}

const imageBoxRef = ref()

onMounted(() => {
  nextTick(() => {
    const sortable = Sortable.create(imageBoxRef.value, {
      group: 'item-wrap',
      animation: 200,
      onEnd: (event) => {
        const temp = diyStore.editComponent.list[event.oldIndex!]
        diyStore.editComponent.list.splice(event.oldIndex!, 1)
        diyStore.editComponent.list.splice(event.newIndex!, 0, temp)
        sortable.sort(
          range(diyStore.editComponent.list.length).map((value) => {
            return value.toString()
          })
        )
        handleHeight(true)
      }
    })
  })
})

defineExpose({})
</script>

<style lang="scss" scoped>
.edit-image-ads {
  .item-wrap {
    .del {
      display: none;
    }

    &:hover {
      .del {
        display: block;
      }
    }
  }
}
</style>
